body {
  opacity: 0;
  animation: fadeIn 0.5s forwards;
}

.streamlit-frame {
  opacity: 0;
  animation: fadeIn 0.5s forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.stButton > button {
        background-color: #5f9ea0;
        color: white;
        border: none;
        border-radius: 5px;
        padding: 10px 20px;
        font-size: 16px;
    }